Vitamin K

Vitamin K is a fat-soluble vitamin that exists in two principal dietary forms: vitamin K1 (phylloquinone), found in green leafy vegetables, and vitamin K2 (menaquinone), found in fermented foods, certain animal products, and produced in small quantities by gut bacteria. Vitamin K2 is further divided into subtypes designated by the length of their side chains, with MK-4 and MK-7 (menaquinone-7) being the most commonly supplemented. MK-7 is derived from fermented foods such as natto (fermented soybeans) or fermented chickpeas, and is noted for its longer half-life in the body compared to MK-4. Vitamin K2 supplements in this collection are available at strengths from 45mcg to 200mcg per capsule, in softgel, capsule, tablet, liposomal liquid, and oral spray formats. Several products combine vitamin K2 with vitamin D3 in a single formula, reflecting the recognised complementary relationship between these two nutrients and their roles in calcium regulation and bone health. Wholefood-matrix K2 formulas enriched with green vegetables such as kale, parsley, spinach, and coriander are also available. Products are available from a wide range of established brands including Solgar, Viridian, Lamberts, Together Health, Terranova, G&G Vitamins, Natures Aid, Higher Nature, BetterYou, Lipolife, Pure Encapsulations, Biogena, and Good Health Naturally.

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Terranova Vitamin K2 100ug Complex 100s
£43.45
Vitamin K2 100ug Complex with MAGNIFOOD blend including Kale, Parsley, Spinach & Coriander. MAGNIFOOD The holistic innovation developed by Terranova utilises whole, unadulterated, phyto-rich foods and botanicals.
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Vitamin K2 MK-7, 100mcg - 120 softgels | Osavi
£22.00 £19.80
Food supplement in the form of a soft capsule containing menaquinone-7 (MK-7), the most active form of vitamin K2 dissolved in MCT oil from coconut. K2VITAL® is an exceptionally pure...
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Viridian Vitamin K2 90s
£40.45
Vitamin K2 provides an easily utilised form of this vitamin in a vegan, non animal tested format. Vitamin K contributes to normal blood clotting and the maintenance of normal bones.
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